22" x 24" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 10in diameter with actual outer dimensions of

with actual outer dimensions of 24

actual front end outer dimensions are approximately 26 5/8" width X 26 5/8" height

See our separate listing of T-Bar Supply Grilles

+ Product Details Size – 8" x 16" or 16" x 8" is the size for the duct opening measurement only

+ Product Details Perfect Fit & Easy Sizing - Designed for a 30" x 30" duct opening (measured at the opening)

22" x 24" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 10in diameter with actual outer dimensions of+ Product Details Perfect Fit & Easy Sizing Designed for a 22" x 24" OR 24" x 22" duct opening (measured at the opening), with actual outer dimensions of 24. 5" W x 26. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 21. 75" x 25. 75" x 1" Premium Airflow Efficiency High performance cube core eggcrate design allows 95% airflow efficiency, reducing energy costs and maximizing HVAC system lifespan. Durable, Rust Free Aluminum